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Q.
The nitrogen-fixing bacteria Rhizobium is ________________ in nature.
NTA AbhyasNTA Abhyas 2022
Solution:
Heterotrophic bacteria are the most abundant in nature. The majority are important decomposers. Many of them have a significant impact on human affairs. They are helpful in making curd from milk, production of antibiotics, fixing nitrogen in legume roots like Rhizobium, etc.